/* BE-DESIGNER — V3 · charte officielle : bleu nuit / ivoire / cuivre (brand book 2026) */
:root{--blue:#0D1B2A;--blue-deep:#0B1724;--blue-soft:#142436;--ivory:#F5F1E8;--ivory-soft:#C4BEB0;--ivory-muted:#8B8676;--copper:#B08D57;--copper-soft:#C9A572;--copper-deep:#8A6B3F;--line:rgba(245,241,232,.08);--line-strong:rgba(245,241,232,.16);--max:1120px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:17px;line-height:1.65;color:var(--ivory);background:var(--blue)}
h1,h2,h3,.logo{font-family:'Cormorant Garamond',Georgia,serif;font-weight:500;line-height:1.15;letter-spacing:.01em;color:var(--ivory)}
h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:.6em}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:.7em}
h3{font-size:1.25rem;margin-bottom:.35em}
p{margin-bottom:1em}
a{color:var(--copper-soft)}
a:hover{color:var(--copper)}
em,i{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic}
img{max-width:100%;display:block;background:var(--blue-soft);min-height:40px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap-etroit{max-width:720px}
.surtitre{font-size:.75rem;text-transform:uppercase;letter-spacing:.22em;color:var(--copper-soft);margin-bottom:1.2em}
.lead{font-size:1.12rem;color:var(--ivory-soft);max-width:46em}
.micro{font-size:.82rem;color:var(--ivory-muted)}
.exergue{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;font-size:clamp(1.2rem,2.2vw,1.55rem);color:var(--copper-soft);line-height:1.4;margin:.2em 0 1em}
/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(13,27,42,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:74px;padding-top:10px;padding-bottom:10px}
.logo{font-size:1.3rem;letter-spacing:.12em;text-decoration:none;color:var(--ivory)}
.logo-bloc{display:flex;flex-direction:column;gap:3px;text-decoration:none}
.logo-signature{font-family:'Inter',sans-serif;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--copper-soft)}
nav.principal a{margin-left:22px;text-decoration:none;color:var(--ivory);font-size:.92rem}
nav.principal a:hover{color:var(--copper-soft)}
.tel{font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--copper-soft)!important}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:2px;padding:6px 10px;font-size:1rem;color:var(--ivory)}
@media(max-width:900px){
  nav.principal{display:none;position:absolute;top:74px;left:0;right:0;background:var(--blue-deep);border-bottom:1px solid var(--line);padding:12px 24px 18px}
  nav.principal.ouvert{display:block}
  nav.principal a{display:block;margin:10px 0}
  .nav-toggle{display:block}
}
/* sections */
main{min-height:60vh}
.bloc{padding:76px 0}
.bloc-fond{background:var(--blue-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero{padding:92px 0 60px}
.hero-image img{width:100%;height:clamp(300px,52vh,560px);object-fit:cover}
.hero .eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.22em;color:var(--ivory-muted);margin-bottom:1.6em}
.hero .eyebrow em{font-family:'Cormorant Garamond',Georgia,serif;color:var(--copper-soft);text-transform:none;letter-spacing:.04em;font-size:1.05rem}
.hero h1 .italique,.italique{font-style:italic;color:var(--copper-soft)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6em}
.btn{display:inline-block;padding:13px 28px;border-radius:2px;text-decoration:none;font-size:.93rem;letter-spacing:.04em;border:1px solid var(--copper);cursor:pointer;font-family:'Inter',sans-serif}
.btn-primary{background:var(--copper);color:var(--blue-deep)}
.btn-primary:hover{background:var(--copper-soft);border-color:var(--copper-soft);color:var(--blue-deep)}
.btn-ghost{color:var(--ivory);background:transparent;border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-soft)}
.lien-suite{font-size:.95rem}
/* grilles */
.cartes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;margin:2em 0 1em}
.carte{background:var(--blue-soft);border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease}
.carte:hover{border-color:var(--copper);transform:translateY(-3px)}
.carte img{aspect-ratio:4/3;object-fit:cover;width:100%}
.carte h3,.carte p,.carte a{padding:0 18px}
.carte h3{margin-top:16px}
.carte p{font-size:.95rem;color:var(--ivory-soft)}
.carte a{display:block;padding-bottom:16px;font-size:.9rem}
.problemes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px;margin-top:1.5em}
.temps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:1.5em}
@media(max-width:980px){.temps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.temps{grid-template-columns:1fr}}
.problemes h3{color:var(--copper-soft)}
.temps h3{color:var(--copper-soft);text-transform:uppercase;font-family:'Inter',sans-serif;font-size:.78rem;letter-spacing:.18em;font-weight:600}
.temps ol{padding-left:1.2em}
.temps li{margin:.3em 0}
.duo{display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:start}
.duo .portrait img{aspect-ratio:3/4;object-fit:cover}
@media(max-width:760px){.duo{grid-template-columns:1fr}}
/* bande de preuves */
.preuves{background:var(--blue-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.preuves-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.preuve{display:flex;flex-direction:column;gap:8px;padding:4px 20px;border-left:1px solid var(--line)}
.preuve:first-child{border-left:none}
.preuve-k{font-family:'Cormorant Garamond',Georgia,serif;font-size:1.9rem;font-weight:500;line-height:1.1;color:var(--ivory);font-variant-numeric:lining-nums}
.preuve-l{font-size:.68rem;text-transform:uppercase;letter-spacing:.2em;color:var(--copper-soft)}
@media(max-width:820px){.preuves-grid{grid-template-columns:1fr 1fr;gap:28px 0}.preuve:nth-child(3){border-left:none}.preuve-k{font-size:1.55rem}}
.avant-apres{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px}
.avant-apres figcaption{font-size:.85rem;color:var(--ivory-muted);margin-top:8px}
/* fiches / listes */
.fiche-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px 28px;background:var(--blue-soft);border:1px solid var(--line);padding:20px;margin:1.4em 0;font-size:.93rem}
.fiche-meta b{color:var(--copper-soft);font-weight:500;display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.16em}
article.page ul,article.page ol{padding-left:1.3em;margin-bottom:1.2em}
article.page li{margin:.35em 0}
article.page h2{margin-top:1.6em}
article.page h3{margin-top:1.2em}
article.page{padding:56px 0 80px}
.retour{font-size:.88rem;display:inline-block;margin-bottom:1.4em}
/* fiche projet */
.fiche-hero img{width:100%;max-height:68vh;object-fit:cover}
/* galerie fiche projet */
.galerie{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:2em 0 1em}
.galerie figure:first-child{grid-column:1/-1}
.galerie img{width:100%;aspect-ratio:4/3;object-fit:cover}
.galerie figure:first-child img{aspect-ratio:16/9}
.galerie figcaption{font-size:.85rem;color:var(--ivory-muted);margin-top:8px}
@media(max-width:640px){.galerie{grid-template-columns:1fr}}
/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.02rem;color:var(--ivory)}
.faq details p{margin-top:.7em;color:var(--ivory-soft)}
/* formulaire */
form fieldset{border:none;margin-top:1.2em}
form legend{font-family:'Cormorant Garamond',Georgia,serif;font-size:1.3rem;margin-bottom:1em;color:var(--ivory)}
form label{display:block;margin-bottom:14px;font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;color:var(--ivory-muted)}
form label.consent{text-transform:none;letter-spacing:0}
form input[type=text],form input[type=email],form input[type=tel],form select,form textarea{width:100%;padding:11px 12px;margin-top:6px;border:1px solid var(--line-strong);border-radius:2px;background:var(--blue-soft);color:var(--ivory);font:inherit;font-size:.97rem;letter-spacing:normal;text-transform:none}
form select option{background:var(--blue-deep);color:var(--ivory)}
form input::placeholder,form textarea::placeholder{color:var(--ivory-muted)}
form input:focus,form select:focus,form textarea:focus{outline:2px solid var(--copper);outline-offset:0}
.grille2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.grille2{grid-template-columns:1fr}}
label.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--ivory-soft)}
label.consent input{margin-top:3px}
.sous-champ{border:1px solid var(--line-strong)!important;padding:12px 14px;margin-bottom:14px}
.sous-champ legend{font-family:'Inter',sans-serif;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--ivory-muted);padding:0 6px}
.message{background:var(--blue-soft);border-left:3px solid var(--copper);padding:22px 24px;margin-top:1.6em}
.champ-erreur{outline:2px solid #C96B5A!important}
/* LP hero */
.lp-hero{padding:76px 0 0}
.lp-hero-img img{width:100%;max-height:520px;object-fit:cover;margin-top:44px}
/* footer */
footer.site{background:var(--blue-deep);color:var(--ivory-soft);margin-top:80px;padding:56px 0 34px;font-size:.9rem;border-top:1px solid var(--line)}
footer.site a{color:var(--ivory);text-decoration:none}
footer.site a:hover{color:var(--copper-soft)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
footer .logo{color:var(--ivory);margin-bottom:.2em;display:block}
footer .baseline{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;color:var(--copper-soft);margin-bottom:1em}
footer h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.2em;color:var(--copper-soft);margin-bottom:.8em;font-weight:600}
footer li{list-style:none;margin:.45em 0}
.footer-legal{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 26px;font-size:.8rem;color:var(--ivory-muted)}
/* accessibilité */
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:8px;background:var(--blue-deep);color:var(--ivory);padding:8px 12px;z-index:99}